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160A21 sprockets with a stock bore comes with a 1-1/2" inside diameter plain hole and can be easily machine bored to custom sizes
5304-2RS double row sealed ball bearings possess higher radial and axial load capacities in either direction when compared to single-row ball bearings
This 1TB56 Pulley uses a P1-Series Bushing
This 40BS43 sprocket features a 7/8" finished bore including a key-way and two setscrews
4B56SD Sheave four-groove 5.95" OD 1.1875" Stock Bore 160A21 sprockets with a stockThis 4B56SD sheave features four grooves, is 5. 95" in diameter, and is designed to use a SD bushing. QD (quick detachable) style sheaves offer a wider selection of bore sizes versus a standard "fixed" bore style sheave. Also because they are a two component part if one component fails the entire part doesn't need to be replaced. All of our sheaves are manufactured out of an extremely durable cast iron, are dynamically balanced at the factory, and are
